Class InformationNumber: 502/5Name:Catalyst, solid sorbent, or support therefor: product or process of making > Irradiation by, or application of, electrical, magnetic or wave energyDescription: Process of preparing or perfecting a composition under the ... by subjecting it to a flow or current of electrons, a sonic, magnetic, or electromotive field, or bombardment by sub atomic particles or radiant energy (e.g., ion implantation, ultra sonic vibration, actinic light, X-rays, etc.).